import java.lang.annotation.Annotation;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.lang.reflect.Field;
import java.lang.reflect.Method;

import javax.annotation.Resource;

public class TestAnnotation {

	public static void main(String[] args) throws Exception {
		// F f = new F();
		// Class clazz = f.getClass();
		//
		// Method method = clazz.getDeclaredMethod("tt");
		//
		// Bar bar = method.getAnnotation(Bar.class);
		//
		// System.out.println(bar.name());
		//
		// System.out.println(bar.val());
		//
		// System.out.println(bar.c());

		F f = new F();
		Class clazz = f.getClass();
	
		Field field = clazz.getDeclaredField("mm");
		field.setAccessible(true);//把私有成员变成可以访问

		Resource resource = field.getAnnotation(Resource.class);

		Class c = field.getType();//获取成员的类型MM

		Method setMethod = clazz.getDeclaredMethod("setMm", MM.class);//获取带参数指定的方法
		
		setMethod.invoke(f, c.newInstance());// f.setMm(new MM());
		
		System.out.println(f.getMm().getName());

	}
}

class F {
	// @Bar(name = "123", c=F.class, type=Types.ONE, v=100)
	// public void tt() {
	// System.out.println("-------------");
	// }
	@Resource
	private MM mm;

	public MM getMm() {
		return mm;
	}

	public void setMm(MM mm) {
		this.mm = mm;
	}

}

class MM {
	private String name = "55555";

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

}

enum Types {
	ONE, TWO
}

@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
@interface Bar {
	String name();

	String val() default "456";

	Class c();

	int v();

	Types type();
}
